Permissions, Privileges, and Access Controls in targetcli (Alpine package)



Published: 2020-07-11
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-10699
CWE-ID CWE-264
Exploitation vector Local
Public exploit N/A
Vulnerable software
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tcpreplay (Alpine package)
Operating systems & Components / Operating system package or component

targetcli (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU27047

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-10699

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper privilege management the socket used by targetclid was world-writable. A local user can use this flaw to modify the iSCSI configuration and gain elevated privileges on the target system. 

Mitigation

Install update from vendor's website.

Vulnerable software versions

tcpreplay (Alpine package): 4.3.2-r0

targetcli (Alpine package): 2.1.51-r1

External links

http://git.alpinelinux.org/aports/commit/?id=384e0ecfbba5f8aa24903f4c979be04c27896c5d


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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